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Odour Source
Overview
A location or object that emanates odours. Sources can be divided by point, area, or volume sources that are of either passive, active or fugitive type. For example, a rectangular oil pond would be labelled as a ‘passive area source’ and a biofilter may be labelled as an ‘active area source.’ The term diffuse source is used to describe area or volume sources. Fugitive samples are essentially unintended releases of odour. A summary is shown below:
Point source > Passive or active or fugitive
Diffuse source > Area source or volume source > Passive or active or fugitive